X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=README;h=8cfa92fac9e54eedf72c1dd0f5a325f61297c12c;hb=dba0a6ae1907bbff3ebda06e4874d006f10db1bb;hp=1389e8ff127f38f4a404bd4410bafa989f432158;hpb=150a878bd781d075aaea1736c5081d5c990efbad;p=oweals%2Fu-boot.git diff --git a/README b/README index 1389e8ff12..8cfa92fac9 100644 --- a/README +++ b/README @@ -2460,7 +2460,7 @@ typically in board_init_f() and board_init_r(). Configuration Settings: ----------------------- -- CONFIG_SYS_SUPPORT_64BIT_DATA: Defined automatically if compiled as 64-bit. +- MEM_SUPPORT_64BIT_DATA: Defined automatically if compiled as 64-bit. Optionally it can be defined to support 64-bit memory commands. - CONFIG_SYS_LONGHELP: Defined when you want long help messages included; @@ -2870,32 +2870,6 @@ Low Level (hardware related) configuration options: If this macro is defined, then CONFIG_SYS_CCSRBAR_PHYS will be forced to a value that ensures that CCSR is not relocated. -- Floppy Disk Support: - CONFIG_SYS_FDC_DRIVE_NUMBER - - the default drive number (default value 0) - - CONFIG_SYS_ISA_IO_STRIDE - - defines the spacing between FDC chipset registers - (default value 1) - - CONFIG_SYS_ISA_IO_OFFSET - - defines the offset of register from address. It - depends on which part of the data bus is connected to - the FDC chipset. (default value 0) - - If CONFIG_SYS_ISA_IO_STRIDE CONFIG_SYS_ISA_IO_OFFSET and - CONFIG_SYS_FDC_DRIVE_NUMBER are undefined, they take their - default value. - - if CONFIG_SYS_FDC_HW_INIT is defined, then the function - fdc_hw_init() is called at the beginning of the FDC - setup. fdc_hw_init() must be provided by the board - source code. It is used to make hardware-dependent - initializations. - - CONFIG_IDE_AHB: Most IDE controllers were designed to be connected with PCI interface. Only few of them were designed for AHB interface. @@ -2983,7 +2957,7 @@ Low Level (hardware related) configuration options: - CONFIG_SYS_SRIOn_MEM_VIRT: Virtual Address of SRIO port 'n' memory region -- CONFIG_SYS_SRIOn_MEM_PHYS: +- CONFIG_SYS_SRIOn_MEM_PHYxS: Physical Address of SRIO port 'n' memory region - CONFIG_SYS_SRIOn_MEM_SIZE: @@ -3051,7 +3025,7 @@ Low Level (hardware related) configuration options: Add the "loopw" memory command. This only takes effect if the memory commands are activated globally (CONFIG_CMD_MEMORY). -- CONFIG_MX_CYCLIC +- CONFIG_CMD_MX_CYCLIC Add the "mdc" and "mwc" memory commands. These are cyclic "md/mw" commands. Examples: @@ -3082,14 +3056,16 @@ Low Level (hardware related) configuration options: instruction cache) is still performed. - CONFIG_SPL_BUILD - Modifies the behaviour of start.S when compiling a loader - that is executed before the actual U-Boot. E.g. when - compiling a NAND SPL. + Set when the currently-running compilation is for an artifact + that will end up in the SPL (as opposed to the TPL or U-Boot + proper). Code that needs stage-specific behavior should check + this. - CONFIG_TPL_BUILD - Modifies the behaviour of start.S when compiling a loader - that is executed after the SPL and before the actual U-Boot. - It is loaded by the SPL. + Set when the currently-running compilation is for an artifact + that will end up in the TPL (as opposed to the SPL or U-Boot + proper). Code that needs stage-specific behavior should check + this. - CONFIG_SYS_MPC85XX_NO_RESETVEC Only for 85xx systems. If this variable is specified, the section @@ -3306,7 +3282,7 @@ Testing of U-Boot Modifications, Ports to New Hardware, etc.: If you have modified U-Boot sources (for instance added a new board or support for new devices, a new CPU, etc.) you are expected to provide feedback to the other developers. The feedback normally takes -the form of a "patch", i. e. a context diff against a certain (latest +the form of a "patch", i.e. a context diff against a certain (latest official or latest in the git repository) version of U-Boot sources. But before you submit such a patch, please verify that your modifi-